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Q. Explain the Types of Security Service?
Security Services fall into one of the subsequent categories
- Confidentiality: Confirms that the info in a system and transmitted info are accessible only for reading by authorized parties (Data Privacy).
- Integrity: Ensures that merely authorized parties are able to modify computer systems assets and transmitted information (Data has not been altered).
- Authentication: Confirms that the origin of a message or electronic doc is correctly identified with an assurance that the identity isn't false (Who created or sent the data).
Explain the Acknowledged connectionless service This is a cross between the previous two services. It provides that datagrams are to be acknowledged, but no prior logical conne
Why Does metric translation takes place in redistributing routes?
As a system administrator, you require to set up single Ethernet interface on the Cisco router to permit for both sap and Novell-ether encapsulations. Which set of commands will ac
QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
This new model of Client/Server having of thin, portable, "universal" clients that talks to superfast servers. In the simple form, a web server returns documents when clients ask f
Network Allocation Vector Timer which shows how much time must pass before a station is allowed to check the channel
Q. What are the main categories based on which applications of computer network will be categorized? Ans: The main areas under which the applications for computer network will
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
Q. Show the Use of flow control? Flow control denotes to a set of procedures used to restrict the amount of data that the sender can send before waiting for Error Control
Q. Illustrate Data-Link Layer in osi layers model? Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmissio
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